t0040-parse-options: improve test coverage

diff --git a/t/perf/p7300-clean.sh b/t/perf/p7300-clean.sh
index ec94cdd657f838020b3bea32ac8b81caf481a4a9..7c1888a27e7fcf090698ec5ac60db72c76fbb807 100755 (executable)
--- a/t/perf/p7300-clean.sh
+++ b/t/perf/p7300-clean.sh
@@ -28,4 +28,8 @@ test_perf 'clean many untracked sub dirs, ignore nested git' '
        git clean -n -q -f -f -d 100000_sub_dirs/
 '
 
+test_perf 'ls-files -o' '
+       git ls-files -o
+'
+
 test_done